19875795

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 13965357

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1087, 1219, 3261, 3657, 5435, 6095, 16305, 18285, 25001, 57611, 75003, 125005, 172833, 288055, 375015, 864165, 1325053, 3975159, 6625265, 19875795]

約数ペア:

[(1, 19875795), (3, 6625265), (5, 3975159), (15, 1325053), (23, 864165), (53, 375015), (69, 288055), (115, 172833), (159, 125005), (265, 75003), (345, 57611), (795, 25001), (1087, 18285), (1219, 16305), (3261, 6095), (3657, 5435)]